Explore BrainMass

Explore BrainMass

    t-test for independent means

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    20 students picked randomly for an experimental group to receive instructional program.
    30 students chosen as control group do not receive instructional program.
    Experimental group mean is 38 with a standard deviation of 3.
    The control group has a mean of 35 with an estimated population standard deviation of 5.
    Using .05 level what can be concluded?

    © BrainMass Inc. brainmass.com June 3, 2020, 9:30 pm ad1c9bdddf
    https://brainmass.com/statistics/students-t-test/t-test-for-dependent-independent-means-184987

    Solution Summary

    Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.

    $2.19

    ADVERTISEMENT